VYPR
High severity8.3CISA KEVNVD Advisory· Published Jul 7, 2021· Updated Jun 17, 2026

CVE-2021-22555

CVE-2021-22555

Description

A heap out-of-bounds write affecting Linux since v2.6.19-rc1 was discovered in net/netfilter/x_tables.c. This allows an attacker to gain privileges or cause a DoS (via heap memory corruption) through user name space

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

310

Patches

Vulnerability mechanics

References

10

News mentions

1